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工程设计学报
工程设计学报  2013, Vol. 20 Issue (6): 517-521    
工程设计理论、方法与技术     
双腔颚式破碎机动态破碎力分析
 母福生, 栗慧
中南大学 机电工程学院，湖南 长沙 410083
Dynamic crushing force analysis of double cavity jaw crusher
 MU  Fu-Sheng, LI  Hui
College of Mechanical & Electrical Engineering， Central South University， Changsha 410083， China
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摘要： 为提高双腔颚式破碎机破碎力计算的准确性，使用速度瞬心法，分析双腔颚式破碎机偏心轴旋转360°动颚的运动规律及破碎腔的变化规律，提出有效破碎腔折算系数，并对破碎力的变化规律进行分析.结果表明，破碎力随有效破碎腔的变化呈周期性变化，修正了最大破碎力计算公式，得出双腔颚式破碎机在偏心轴转至（水平向右逆时针转起）170°时左腔破碎力达到最大值，转至350°时右腔破碎力达到最大值.对完善双腔颚式破碎机的基础理论有重要意义.
关键词： 双腔颚式破碎机;  速度瞬心法;  破碎力;  有效破碎腔    
Abstract: In order to improve the calculation accuracy of the crushing force of double cavity jaw crusher， we applied the method of instantaneous center of velocity to analysis the rule of the moving jaw and the change of the crushing cavity of double cavity jaw crusher with the eccentric shaft rotated 360°. Then the conversion coefficient of the effective crushing cavity was put forward， and the change rule of the crushing force was studied. The results indicate that the crushing force periodicity changes with the variation of the effective crushing cavity. It also shows that the crushing force of the left cavity reaches to maximum when the eccentric shafts to 170°， and the crushing force of the right cavity reaches to maximum when the eccentric shafts to 350°. This research revises the formula of the max crushing force， and perfects the basic theory of the double cavity jaw crusher．
Key words: double cavity jaw crusher    instantaneous center of velocity method    crushing force    effective crushing cavity
出版日期: 2013-12-28
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母福生
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引用本文:

母福生, 栗慧. 双腔颚式破碎机动态破碎力分析[J]. 工程设计学报, 2013, 20(6): 517-521.

MU Fu-Sheng, LI Hui. Dynamic crushing force analysis of double cavity jaw crusher. Chinese Journal of Engineering Design, 2013, 20(6): 517-521.

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https://www.zjujournals.com/gcsjxb/CN/    或    https://www.zjujournals.com/gcsjxb/CN/Y2013/V20/I6/517

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